Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph Son, MD
Psychiatry Physician in Orange, CA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1356978621
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Registry record
Entity type Individual (Type 1)
Name Joseph Son
Credential MD
Sex Male
Practice address 101 the City Dr S Bldg 3, Orange, CA, 92868
Phone (714) 456-5902
Enumeration date Mar 25, 2020
Last updated in NPPES Oct 25, 2024
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Joseph Son practice?
The practice location on file with NPPES is in Orange, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Joseph Son?
The National Provider Identifier (NPI) for Joseph Son is 1356978621, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Kerry Wangen Psychiatry Physician · Orange, CA NPI 1841317609 David Majors Physical Medicine & Rehabilitation Physician · Orange, CA NPI 1619157658 Amina Sutherland-Stolting Psychiatry Physician · Orange, CA NPI 1982068029 Ivy Chen Psychologist · Orange, CA NPI 1467929067 Andrew Tung Psychiatry Physician · Orange, CA NPI 1932736303 Nikki Nguyen Psychiatry Physician · Orange, CA NPI 1487282455 Corina Vasquez Psychiatry Physician · Orange, CA NPI 1366062341 Emma Cooper Psychiatry Physician · Orange, CA NPI 1760066351
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-25.